Boost Users :
From: John Maddock (john_at_[hidden])
Date: 2003-12-15 08:05:01
> Aside from the unified Han characters (kanji/hanzi), characters of
> the same category generally aren't neatly grouped together in Unicode.
> The 128-character blocks tend to correspond to locales, communities
> of use or specific legacy encodings and not to categories. You need
> a look-up table (or more efficiently two levels of table) to check
> character categories.
I was talking about the Unicode block ranges (defined in blocks.txt from the
Unicode ftp site), and you are correct that a two stage table is required
for general categories.
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